22554505229 has 2 divisors, whose sum is σ = 22554505230. Its totient is φ = 22554505228.

The previous prime is 22554505189. The next prime is 22554505231. The reversal of 22554505229 is 92250545522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14775618025 + 7778887204 = 121555^2 + 88198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22554505229 is a prime.

It is a super-2 number, since 2×22554505229² (a number of 22 digits) contains 22 as substring.

Together with 22554505231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22554505279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277252614 + 11277252615.

It is an arithmetic number, because the mean of its divisors is an integer number (11277252615).

Almost surely, 2^22554505229 is an apocalyptic number.

It is an amenable number.

22554505229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554505229 is an equidigital number, since it uses as much as digits as its factorization.

22554505229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 22554505229 in words is "twenty-two billion, five hundred fifty-four million, five hundred five thousand, two hundred twenty-nine".